CN1739141A - 连续的备份音频 - Google Patents

连续的备份音频 Download PDF

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Publication number
CN1739141A
CN1739141A CN200480002420.8A CN200480002420A CN1739141A CN 1739141 A CN1739141 A CN 1739141A CN 200480002420 A CN200480002420 A CN 200480002420A CN 1739141 A CN1739141 A CN 1739141A
Authority
CN
China
Prior art keywords
audio
audio information
encoded
information
decoding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN200480002420.8A
Other languages
English (en)
Chinese (zh)
Inventor
格雷格·坎贝尔·托德
迈克尔·米德·杜鲁门
朱莉娅·鲁思·库特勒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of CN1739141A publication Critical patent/CN1739141A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/233—Processing of audio elementary streams
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Amplifiers (AREA)
CN200480002420.8A 2003-02-06 2004-01-29 连续的备份音频 Pending CN1739141A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44553703P 2003-02-06 2003-02-06
US60/445,537 2003-02-06

Publications (1)

Publication Number Publication Date
CN1739141A true CN1739141A (zh) 2006-02-22

Family

ID=32869376

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200480002420.8A Pending CN1739141A (zh) 2003-02-06 2004-01-29 连续的备份音频

Country Status (13)

Country Link
US (1) US20060069550A1 (https=)
EP (1) EP1590800B1 (https=)
JP (1) JP2006518049A (https=)
KR (1) KR20050097989A (https=)
CN (1) CN1739141A (https=)
AT (1) ATE447755T1 (https=)
AU (1) AU2004211829A1 (https=)
CA (1) CA2512725A1 (https=)
DE (1) DE602004023917D1 (https=)
IL (1) IL169443A0 (https=)
MX (1) MXPA05008317A (https=)
PL (1) PL377355A1 (https=)
WO (1) WO2004073178A2 (https=)

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EP1872504B1 (en) * 2005-03-29 2009-07-29 Thomson Licensing Method and apparatus for improving reception of fountain coded signals
TWI397903B (zh) * 2005-04-13 2013-06-01 Dolby Lab Licensing Corp 編碼音訊之節約音量測量技術
CA2610430C (en) 2005-06-03 2016-02-23 Dolby Laboratories Licensing Corporation Channel reconfiguration with side information
US9123350B2 (en) * 2005-12-14 2015-09-01 Panasonic Intellectual Property Management Co., Ltd. Method and system for extracting audio features from an encoded bitstream for audio classification
KR101364979B1 (ko) * 2006-02-24 2014-02-20 오렌지 신호 엔벨로프의 양자화 인덱스들의 이진 코딩 방법과 신호엔벨로프의 디코딩 방법, 및 대응하는 코딩 모듈과 디코딩모듈
TWI517562B (zh) 2006-04-04 2016-01-11 杜比實驗室特許公司 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式
EP2011234B1 (en) 2006-04-27 2010-12-29 Dolby Laboratories Licensing Corporation Audio gain control using specific-loudness-based auditory event detection
RU2413357C2 (ru) 2006-10-20 2011-02-27 Долби Лэборетериз Лайсенсинг Корпорейшн Обработка динамических свойств аудио с использованием перенастройки
US8256005B2 (en) * 2007-01-08 2012-08-28 Apple Inc. Protection of audio or video data in a playback device
ATE535906T1 (de) 2007-07-13 2011-12-15 Dolby Lab Licensing Corp Tonverarbeitung mittels auditorischer szenenanalyse und spektraler asymmetrie
US8457958B2 (en) * 2007-11-09 2013-06-04 Microsoft Corporation Audio transcoder using encoder-generated side information to transcode to target bit-rate
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US20100063825A1 (en) * 2008-09-05 2010-03-11 Apple Inc. Systems and Methods for Memory Management and Crossfading in an Electronic Device
US8538042B2 (en) 2009-08-11 2013-09-17 Dts Llc System for increasing perceived loudness of speakers
TWI412023B (zh) * 2010-12-14 2013-10-11 Univ Nat Chiao Tung 可消除噪音且增進語音品質之麥克風陣列架構及其方法
CN103050123B (zh) * 2011-10-17 2015-09-09 多玩娱乐信息技术（北京）有限公司 一种传输语音信息的方法和系统
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time
EP2933797B1 (en) * 2012-12-17 2016-09-07 Panasonic Intellectual Property Management Co., Ltd. Information processing device and control method
BR112015017048B1 (pt) 2013-01-21 2022-12-13 Dolby International Ab Dispositivo de codificação, método para gerar um fluxo de bits codificado, método para determinar um nível de confiança de um fluxo de bits codificado recebido, método para transcodificar um fluxo de bits de entrada
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Also Published As

Publication number Publication date
MXPA05008317A (es) 2005-11-04
WO2004073178A3 (en) 2005-01-20
US20060069550A1 (en) 2006-03-30
CA2512725A1 (en) 2004-08-26
DE602004023917D1 (de) 2009-12-17
PL377355A1 (pl) 2006-02-06
JP2006518049A (ja) 2006-08-03
ATE447755T1 (de) 2009-11-15
AU2004211829A1 (en) 2004-08-26
KR20050097989A (ko) 2005-10-10
EP1590800A2 (en) 2005-11-02
EP1590800B1 (en) 2009-11-04
IL169443A0 (en) 2007-07-04
WO2004073178A2 (en) 2004-08-26

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